CN114851514B - Method for manufacturing color bar butterfly optical cable and color bar butterfly optical cable - Google Patents

Method for manufacturing color bar butterfly optical cable and color bar butterfly optical cable Download PDF

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Publication number
CN114851514B
CN114851514B CN202210785503.9A CN202210785503A CN114851514B CN 114851514 B CN114851514 B CN 114851514B CN 202210785503 A CN202210785503 A CN 202210785503A CN 114851514 B CN114851514 B CN 114851514B
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China
Prior art keywords
color
color bar
stripe
mold
optical cable
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CN202210785503.9A
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CN114851514A (en
Inventor
朱鹏宇
缪威玮
姜成成
金轲
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Jiangsu Zhongtian Technology Co Ltd
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Jiangsu Zhongtian Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0075—Light guides, optical cables

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a method for manufacturing a color bar butterfly-shaped optical cable and the color bar butterfly-shaped optical cable, wherein the method for manufacturing the color bar butterfly-shaped optical cable adopts a machine head for manufacturing the color bar butterfly-shaped optical cable, make core (2) and aircraft nose main part (1) that the aircraft nose of colour bar butterfly-shaped optical cable established including rotation driving mechanism (9) and interior overcoat, the cover that matches is equipped with interior mould (3) and colour bar mould (4) in core (2), colour bar mould (4) contain first colour bar mould (41) and second colour bar mould (42) along the axial range upon range of setting of core (2), rotation driving mechanism (9) contain first rotation driving subassembly (91) and second rotation driving subassembly (92) this aircraft nose and the extruder of making colour bar butterfly-shaped optical cable can satisfy the production of single colour bar or double-colored bar butterfly-shaped optical cable, and can be according to customer's requirement, change the position of colour bar at will.

Description

Method for manufacturing color bar butterfly optical cable and color bar butterfly optical cable
Technical Field
The invention relates to the field of optical cable manufacturing, in particular to a method for manufacturing a color bar butterfly-shaped optical cable and the color bar butterfly-shaped optical cable.
Background
With the advance of optical fiber cable business, indoor butterfly-shaped optical cables are widely applied, but because indoor wiring resources are short, and the shapes and colors of the butterfly-shaped optical cables are similar, the butterfly-shaped optical cables are difficult to distinguish through the optical cables, so in order to more simply and conveniently distinguish signals transmitted by different butterfly-shaped optical cables in the same line, one or two color bars capable of distinguishing are added on the butterfly-shaped optical cables, so that the distinguishing is carried out, but on the original production machine head, the opening of color bar holes is difficult, the positions of the color bars are single, and due to the addition of color bar equipment, the difficulty of the color bar butterfly-shaped optical cables in the production process is greatly increased, the problems of difficult deviation adjustment, product core deviation, low production speed and the like are easy to occur, and the production efficiency is reduced.
Disclosure of Invention
In order to enable the color bars to be positioned on the outer surface of the optical cable to form grid lines or wavy lines, the invention provides a method for manufacturing a color bar butterfly-shaped optical cable and the color bar butterfly-shaped optical cable.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for manufacturing a color bar butterfly optical cable adopts an extruder for manufacturing the color bar butterfly optical cable, wherein the extruder for manufacturing the color bar butterfly optical cable comprises a machine head and an extrusion port which are sequentially connected;
the machine head for manufacturing the color bar butterfly optical cable comprises a rotary driving mechanism, a machine core and a machine head main body, wherein the machine core and the machine head main body are sleeved inside and outside the rotary driving mechanism; the color bar die comprises a first color bar die and a second color bar die which are arranged in a stacked mode along the axial direction of the movement, and the first color bar die and the second color bar die are both of circular structures;
a first color bar raw material inlet and a second color bar raw material inlet are arranged in the side wall of the machine head main body, and a first color bar injection through hole and a second color bar injection through hole are arranged in the side wall of the machine core; a first color bar injection flow channel is arranged in the first color bar mould, and a first annular flow channel groove is arranged on the peripheral surface of the first color bar mould; a second color bar injection runner is arranged in the second color bar mould, and a second annular runner groove is arranged on the outer peripheral surface of the second color bar mould; the first color bar raw material inlet, the first color bar injection through hole, the first annular runner groove and the first color bar injection runner are communicated in sequence, and the second color bar raw material inlet, the second color bar injection through hole, the second annular runner groove and the second color bar injection runner are communicated in sequence;
the rotation driving mechanism comprises a first rotation driving component and a second rotation driving component, the first rotation driving component can independently drive the first color bar mould to rotate, and the second rotation driving component can independently drive the second color bar mould to rotate;
the outlet end of the first color bar injection flow channel is provided with a first switch, and the outlet end of the second color bar injection flow channel is provided with a second switch;
the first color bar mold is connected with a first color bar width change output mechanism, the first color bar width change output mechanism is positioned in the machine core, the first color bar width change output mechanism comprises a first piston cylinder and a first reciprocating driving part, the first piston cylinder comprises a piston cavity, a piston and a piston rod, the piston rod of the first piston cylinder is connected with the first reciprocating driving part, a rodless cavity of the first piston cylinder is communicated with the first annular runner groove, and the first reciprocating driving part can drive the piston rod of the first piston cylinder to reciprocate;
the second color bar die is connected with a second color bar width change output mechanism, the second color bar width change output mechanism is positioned in the machine core, the second color bar width change output mechanism comprises a second piston cylinder and a second reciprocating driving part, the second piston cylinder comprises a piston cavity, a piston and a piston rod, the piston rod of the second piston cylinder is connected with the second reciprocating driving part, a rodless cavity of the second piston cylinder is communicated with the second annular runner groove, and the second reciprocating driving part can drive the piston rod of the second piston cylinder to reciprocate;
the extrusion port is connected with an optical cable thickness change output mechanism, the optical cable thickness change output mechanism is positioned outside the extrusion port, the optical cable thickness change output mechanism comprises an outer piston cylinder and a piston reciprocating drive component, the outer piston cylinder comprises a piston cavity, a piston and a piston rod, the piston rod of the outer piston cylinder is connected with the piston reciprocating drive component, the rodless cavity of the outer piston cylinder is communicated with an inner flow passage of the extrusion port, and the piston reciprocating drive component can drive the piston rod of the outer piston cylinder to reciprocate;
the method for manufacturing the color bar butterfly optical cable comprises the following steps:
the first switch is alternatively switched on and off, and the second switch is alternatively switched on and off;
the first reciprocating driving component drives a piston rod of the first piston cylinder to reciprocate, the second reciprocating driving component drives a piston rod of the second piston cylinder to reciprocate, and the piston reciprocating driving component drives a piston rod of the outer piston cylinder to reciprocate;
the first rotary driving component drives the first color bar mould to rotate in a single direction, the second rotary driving component drives the second color bar mould to rotate in a single direction, and the rotating directions of the first color bar mould and the second color bar mould are opposite;
or the first rotary driving component drives the first color stripe mold to rotate in a reciprocating manner, and the second rotary driving component drives the second color stripe mold to rotate in a reciprocating manner.
The color bar butterfly optical cable is manufactured by the method for manufacturing the color bar butterfly optical cable, and comprises an optical fiber and a sheath, wherein a first color bar and a second color bar are arranged outside the sheath; the first color bar and the second color bar are intermittent color bars, each intermittent color bar comprises solid parts and vacant parts which are alternately arranged, and the width of each solid part is alternately arranged; the width of the sheath is alternatively arranged; the first color bars and the second color bars are connected to form grid lines; or, the first color bar and the second color bar are both wavy lines.
The beneficial effects of the invention are:
1. the randomness of the positions of the color bars on the butterfly-shaped optical cable can be met, and the color bars can be added at any position.
2. The design of the inner multi-color strip injection flow channel is mutually perfectly isolated and does not influence each other, and the requirements of the color strips with different colors of the double-color strips can be met.
3. The core, the inner die and the color bar die are fixed together, so that the phenomenon that the core, the inner die and the color bar die are deviated under the condition of high-speed production is avoided, and the product quality is ensured.
4. The ring groove on the color bar die can add one or two color bars to any position of the product.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of a handpiece for manufacturing a color-stripe butterfly optical cable according to the present invention in example 1.
Fig. 2 is a schematic view of the movement in embodiment 1.
Fig. 3 is a schematic view of the inner mold and the color stripe mold in example 1.
Fig. 4 is a schematic diagram of an extruder for manufacturing a color-stripe butterfly cable according to the present invention in example 1.
Fig. 5 is a schematic view of a first color-stripe butterfly cable according to embodiment 1.
Fig. 6 is a schematic view of a second color-stripe butterfly cable according to embodiment 1.
Fig. 7 is a schematic view of the inner mold and the color stripe mold in example 2.
Fig. 8 is a schematic view of a first color-stripe butterfly cable according to embodiment 2.
Fig. 9 is a schematic view of a second color-stripe butterfly cable of embodiment 2.
Fig. 10 is a schematic view of the inner mold and the color stripe mold of example 3.
Fig. 11 is an enlarged schematic view of a part of the first color stripe width variation outputting mechanism in embodiment 3.
FIG. 12 is an enlarged view of example 3 in which the color bars are discontinuous and the solid portion is a shape of a candied gourd.
Fig. 13 is a schematic view of the inner mold and the color stripe mold of example 4.
Description of reference numerals:
1. a handpiece main body; 2. a movement; 3. an inner mold; 4. a color bar mold; 5. a spacing cavity; 6. pressing a cover on the machine head; 7. an extrusion port; 8. a color bar butterfly-shaped optical cable; 9. a rotation driving mechanism;
11. a socket; 12. a socket cover plate; 13. an injection port of the machine head; 14. a cover plate of the machine head main body; 15. a first color bar raw material inlet; 16. a second color bar raw material inlet;
21. a first color bar injection through hole; 22. injecting a second color bar into the through hole; 23. injecting a through hole in the substrate; 24. an outer flow passage; 25. an inlet; 26. an outlet; 27. a first mounting groove; 28. a second mounting groove; 29. injecting a third color bar into the through hole;
31. inserting functional holes;
41. a first color bar mold; 42. a second color bar mold; 43. a third color bar mold;
51. a gasket;
71. an optical cable thickness variation output mechanism; 72. an inner flow passage;
81. an optical fiber; 82. a messenger reinforcement; 83. a sheath; 84. a first color bar; 85. a second color bar; 86. a solid portion; 87. a vacant part;
91. a first rotary drive assembly; 92. a second rotary drive assembly; 93. a third rotary drive assembly;
411. a first color bar injection flow channel; 412. a first annular runner groove; 413. a first meshing tooth; 414. a first switch; 415. a first color stripe width change output mechanism; 416. a first piston cylinder; 417. a first reciprocating drive member;
421. a second color bar injection flow channel; 422. a second annular runner groove; 423. a second meshing tooth; 424. a second switch; 425. a second swath width change output mechanism;
431. injecting a third color bar into the flow channel; 432. a third annular runner groove; 433. a third meshing tooth; 434. and a third switch.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
The utility model provides a make aircraft nose of ribbon butterfly-shaped optical cable, core 2 and aircraft nose main part 1 that the interior overcoat was established, the cover that matches is equipped with inner mold 3 and ribbon mould 4 in the core 2, ribbon mould 4 is the round annular structure, ribbon mould 4 can the rotation, be equipped with first ribbon injection runner 411 in the ribbon mould 4, the outer peripheral face of ribbon mould 4 is equipped with first annular runner groove 412, be equipped with first ribbon injection through-hole 21 in the lateral wall of core 2, be equipped with first ribbon raw materials inlet port 15 in the lateral wall of aircraft nose main part 1, first ribbon raw materials inlet port 15, first ribbon injection through-hole 21, first annular runner groove 412 and first ribbon injection runner 411 communicate in proper order, as shown in fig. 1 to 4.
In the present embodiment, the axis of the head main body 1, the axis of the movement 2, the axis of the inner mold 3, and the axis of the color stripe mold 4 all coincide. An inlet 25 and an outlet 26 are respectively arranged at two ends of the movement 2 along the axial direction of the movement 2, the inner die 3 and the color bar die 4 are arranged along the direction from the inlet 25 to the outlet 26, and the first color bar injection flow passage 411 extends along the diameter direction of the color bar die 4 and penetrates through the inner circumferential surface and the outer circumferential surface of the color bar die 4. The first annular runner groove 412 is a 360-degree annular groove, and the color bar mold 4 can rotate around the axis of the color bar mold 4, so that a color bar can be added at any position in the circumferential direction of the color bar butterfly optical cable.
In this embodiment, aircraft nose main part 1 and core 2 are the cylindrical structure, be equipped with interval cavity 5 between interior mould 3 and the color bar mould 4, be equipped with a plurality of gaskets 51 in the interval cavity 5, a plurality of gaskets 51 are arranged along the even interval of circumference of core 2, interior mould 3, gasket 51 and color bar mould 4 connect gradually, the outer peripheral face of core 2 is equipped with outer runner 24, be equipped with interior through-hole 23 of injecting in the lateral wall of core 2, outer runner 24, interior through-hole 23 and interval cavity 5 communicate in proper order of injecting. The mold pressure is controlled by the thickness of the spacer 51 (i.e., the dimension in the axial direction of the movement 2), and the spacer dimension is selected before assembly without manual adjustment of the pressure back and forth. For example, the thickness of the spacer 51 may vary from about 1mm to about 5mm, and the position of the color stripe mold 4 in the movement 2 may be controlled by installing different spacers, such that the color stripe mold 4 is located forward with the spacer 51 of 1mm, and the color stripe mold 4 is located backward with the spacer 51 of 5 mm.
In this embodiment, a socket 11, a socket cover plate 12, a head injection opening 13 and a head main body cover plate 14 are arranged on the head main body 1, a heating part is arranged in the head main body 1, the socket 11 is connected with the heating part, the movement 2 is connected with a head gland 6, the head gland 6 is of an annular structure, the ribbon die 4 is fixed in the movement 2 through the head gland 6, and the head injection opening 13 is communicated with an outer flow passage 24, as shown in fig. 1.
In this embodiment, the position of the first color bar raw material inlet 15 corresponds to the position of the first color bar filling through hole 21, the first color bar raw material inlet 15 communicates with the first color bar filling through hole 21, and the first color bar raw material inlet 15 is externally connected to a first color bar raw material supply device. The socket 11 is connected with the heating component, and a 220V socket is usually adopted to heat the handpiece; the socket cover plate 12 is mainly used for fixing the socket 11 on the machine head, so that the problem of socket falling off can be avoided.
In this embodiment, interior mould 3 and the equal core 2 sealing connection of ribbon mould 4, aircraft nose gland 6 and 2 threaded connection of core, the one end of aircraft nose gland 6 is equipped with the external screw thread, and core 2 passes through bolted connection with aircraft nose main part 1. The inner mold 3 contains a plurality of penetrating functional holes 31, and the penetrating functional holes 31 can be used for processing optical fibers 81 and suspension wire reinforcements 82 inserted into the color bar butterfly optical cable 8 during manufacturing the color bar butterfly optical cable 8.
An extruder for manufacturing the color-stripe butterfly optical cable is described below, and the extruder for manufacturing the color-stripe butterfly optical cable comprises a head and an extrusion port 7 which are connected in sequence, wherein the head is the head for manufacturing the color-stripe butterfly optical cable. The handpiece injection port 13 of the handpiece for manufacturing the color bar butterfly optical cable is correspondingly communicated with the extrusion port 7, as shown in figure 4.
The operation of the head and extruder for manufacturing the color-stripe butterfly cable is described below.
1. The head and the extruder for manufacturing the color-stripe butterfly optical cable are installed, and different inner dies 3 can be adopted according to different structures of the color-stripe butterfly optical cable 8 (as shown in fig. 1 to 4). The color bar mold 4 rotates with the axis of the color bar mold 4 as the axis, so that the outlet end of the first color bar injection runner 411 is located at a required position, and the head cover 6 is screwed down to fix the inner mold 3 and the color bar mold 4 relative to the movement 2.
2. The optical fiber 81 and the messenger reinforcement 82 are inserted into the functional hole 31, and the optical fiber 81, the messenger reinforcement 82, and the sheath 83 are moved in the direction from the inlet 25 to the outlet 26. Extrusion opening 7 extrudes sheath raw materials fuse-element, and sheath raw materials fuse-element passes through aircraft nose filling opening 13 in proper order, outer runner 24 and interior entering through-hole 23 back and enters into interval cavity 5, and sheath raw materials fuse-element parcel is for forming sheath 83 at optic fibre 81 and suspension wire reinforcement 82, and the degree of depth and the pressure of angle control material extrusion molding of inside runner simultaneously guarantee that the extrusion molding comes out sheath 83 smoothly and bright finally. The first color stripe raw material in the first color stripe raw material supply device flows to the outer circumferential surface of the sheath 83 after passing through the first color stripe raw material inlet 15, the first color stripe injection through hole 21, the first annular runner groove 412 and the first color stripe injection runner 411 in sequence, so that the outer circumferential surface of the sheath 83 forms a first color stripe 84, and the color stripe butterfly optical cable 8 is manufactured. The flow rate of the first color bar melt in the first color bar injection flow channel 411 can be controlled by controlling the power of the first color bar raw material supply device, so as to control the width of the first color bar 84, or the width of the first color bar 84 can be adjusted by controlling the width of the first color bar injection flow channel 411.
The color-stripe butterfly-shaped optical cable 8 is described below, the color-stripe butterfly-shaped optical cable 8 includes an optical fiber 81, a suspension wire reinforcement 82, and a sheath 83, the optical fiber 81 and the suspension wire reinforcement 82 are both located inside the sheath 83, a first color stripe 84 is provided outside the sheath 83, and the first color stripe 84 is arranged in parallel with the optical fiber 81, as shown in fig. 5 and 6.
The optical fibers 81 are typically single mode fibers and the dimensions of the optical fibers 81 can be nominally 250 μm, 200 μm and 180 μm, typically distinguished by coloring when the number of optical fibers 81 exceeds 1.
The messenger wire reinforcement 82 may be a metal or a non-metal, the metal may be a galvanized steel wire, a stainless steel wire, etc., typically the metal reinforcement has a tensile strength of > 1500MPa, and the non-metal reinforcement may be a fiberglass reinforced plastic rod (FRP for short) or an aramid reinforced plastic rod (KFRP for short), typically a fiberglass reinforced plastic rod, with an FRP density of 2.05g/cm 3 -2.15g/cm 3 The tensile and bending strength is more than or equal to 1100MPa, the tensile and bending elastic modulus is more than or equal to 50GPa, the elongation at break is less than or equal to 4 percent, the water absorption is less than or equal to 0.1 percent, and the thermal expansion coefficient is lower by 5 multiplied by 10 -5 -6×10 -5 K -1 Acid and alkali resistance and stable chemical performance;
the sheath 83 is made of low-smoke halogen-free flame-retardant material, and PVC, HDPE or LDPE can be used as the sheath material according to the situation.
The material used for the first color bar 84 is generally consistent with that of the sheath 83, so as to ensure compatibility of the color bar material and the sheath material, whether the first color bar 84 is added or not according to the requirement of a customer, and the position of the first color bar 84 has no fixity.
Example 2
This embodiment is a modification of embodiment 1, and the main difference between this embodiment and embodiment 1 is that:
the color bar die 4 comprises a first color bar die 41 and a second color bar die 42 which are stacked along the axial direction of the movement 2, and the first color bar die 41 and the second color bar die 42 are both in circular structures; a first color bar raw material inlet 15 and a second color bar raw material inlet 16 are arranged in the side wall of the machine head main body 1, and a first color bar injection through hole 21 and a second color bar injection through hole 22 are arranged in the side wall of the machine core 2; a first color bar injection runner 411 is arranged in the first color bar mold 41, and a first annular runner groove 412 is arranged on the outer peripheral surface of the first color bar mold 41; a second color bar injection runner 421 is arranged in the second color bar mold 42, and a second annular runner groove 422 is arranged on the outer peripheral surface of the second color bar mold 42; the first color bar raw material inlet 15, the first color bar injection through hole 21, the first annular runner groove 412 and the first color bar injection runner 411 are connected and communicated in sequence, and the second color bar raw material inlet 16, the second color bar injection through hole 22, the second annular runner groove 422 and the second color bar injection runner 421 are connected and communicated in sequence; the handpiece for manufacturing the color bar butterfly optical cable further comprises a rotation driving mechanism 9, the rotation driving mechanism 9 comprises a first rotation driving component 91 and a second rotation driving component 92, the first rotation driving component 91 can independently drive the first color bar mold 41 to rotate, the second rotation driving component 92 can independently drive the second color bar mold 42 to rotate, and a second color bar raw material supply device is connected to the outside of the second color bar raw material inlet 16, as shown in fig. 7.
The first color bar mold 41, the second color bar mold 42, and the inner mold 3 are sequentially arranged in the axial direction of the inner mold 3, the first annular runner groove 412 and the second annular runner groove 422 are arranged at intervals in the axial direction of the color bar mold 4, and the first rotary driving unit 91 can independently drive the first color bar mold 41 to rotate, meaning that the first rotary driving unit 91 can drive only the first color bar mold 41 to rotate without driving the second color bar mold 42 to rotate. The second rotary driving unit 92 can independently drive the second color stripe mold 42 to rotate means that the second rotary driving unit 92 can only drive the second color stripe mold 42 to rotate without driving the first color stripe mold 41 to rotate. The first rotary drive assembly 91 contains a micro motor and a gear which are connected in sequence, and the second rotary drive assembly 92 contains a micro motor and a gear which are connected in sequence.
The outer peripheral surface of the first ribbon die 41 is further provided with first meshing teeth 413, the first annular runner groove 412 and the first meshing teeth 413 are arranged at intervals along the axial direction of the first ribbon die 41, the inner surface of the movement 2 is provided with a first mounting groove 27, the first rotary driving component 91 is located in the first mounting groove 27, and a gear of the first rotary driving component 91 is in meshing connection with the first meshing teeth 413 of the first ribbon die 41.
The outer peripheral surface of the second color bar mold 42 is further provided with second meshing teeth 423, the second annular runner groove 422 and the second meshing teeth 423 are arranged at intervals along the axial direction of the second color bar mold 42, the inner surface of the movement 2 is provided with a second mounting groove 28, the second rotary driving assembly 92 is located in the second mounting groove 28, and a gear of the second rotary driving assembly 92 is in meshing connection with the second meshing teeth 423 of the second color bar mold 42.
The present embodiment is characterized in that two color bars can be manufactured on the color bar butterfly optical cable 8, the first color bar injection flow channel 411 extrudes the first color bar 84, the second color bar injection flow channel 421 extrudes the second color bar 85, the colors and materials of the first color bar 84 and the second color bar 85 can be the same or different, and the distance and the included angle between the first color bar 84 and the second color bar 85 can be changed.
A method for manufacturing a color-stripe butterfly optical cable is described below, where the method for manufacturing a color-stripe butterfly optical cable described in this embodiment uses the extruder for manufacturing a color-stripe butterfly optical cable described in this embodiment, and the method for manufacturing a color-stripe butterfly optical cable includes the following steps:
the first rotary driving unit 91 drives the first color stripe mold 41 to rotate in one direction, the second rotary driving unit 92 drives the second color stripe mold 42 to rotate in one direction, and the first color stripe mold 41 and the second color stripe mold 42 rotate in opposite directions. Alternatively, the first rotary driving unit 91 drives the first color stripe mold 41 to rotate reciprocally, and the second rotary driving unit 92 drives the second color stripe mold 42 to rotate reciprocally.
When the first rotary driving assembly 91 drives the first color stripe mold 41 to rotate in a single direction, the second rotary driving assembly 92 drives the second color stripe mold 42 to rotate in a single direction, and the rotation directions of the first color stripe mold 41 and the second color stripe mold 42 are opposite, the rotation speeds of the first color stripe mold 41 and the second color stripe mold 42 may be the same or different. When the first rotary driving assembly 91 drives the first color stripe mold 41 to rotate reciprocally, and the second rotary driving assembly 92 drives the second color stripe mold 42 to rotate reciprocally, the angle of reciprocal rotation of the first color stripe mold 41 may be less than or equal to 30 °, and the angle of reciprocal rotation of the second color stripe mold 42 may be less than or equal to 30 °
The color-bar butterfly optical cable is manufactured by the method for manufacturing the color-bar butterfly optical cable, and comprises an optical fiber 81 and a sheath 83, wherein a first color bar 84 and a second color bar 85 are arranged outside the sheath 83; when the method for manufacturing the color bar butterfly optical cable adopts the following steps: the first rotary driving component 91 drives the first color stripe mold 41 to rotate in a single direction, the second rotary driving component 92 drives the second color stripe mold 42 to rotate in a single direction, and when the rotation directions of the first color stripe mold 41 and the second color stripe mold 42 are opposite, the first color stripe 84 and the second color stripe 85 are connected to form grid lines; when the method for manufacturing the color bar butterfly optical cable adopts the following steps: when the first rotary driving assembly 91 drives the first color stripe mold 41 to rotate reciprocally, and the second rotary driving assembly 92 drives the second color stripe mold 42 to rotate reciprocally, the first color stripe 84 and the second color stripe 85 are wavy lines, as shown in fig. 8 and 9.
The remaining features of this embodiment can be the same as those of embodiment 1, and this embodiment will not be described in detail for the sake of brevity.
Example 3
This embodiment is a modification of embodiment 2, and the main difference between this embodiment and embodiment 2 is that:
a first switch 414 is disposed at an outlet end of the first color stripe injection flow passage 411, and a second switch 424 is disposed at an outlet end of the second color stripe injection flow passage 421, as shown in fig. 10; when manufacturing the color-stripe butterfly cable, the first switch 414 is alternately turned on and off, and the second switch 424 is alternately turned on and off; the first color bar 84 and the second color bar 85 are each made as an intermittent color bar (similar to a dotted line) having solid portions 86 and vacant portions 87 alternately arranged in the extending direction of the color bar.
The first switch 414 and the second switch 424 may be conventional micro electromagnetic switches, and the first switch 414 may close or open the outlet of the first color stripe injection flow channel 411, and the second switch 424 may close or open the outlet of the second color stripe injection flow channel 421.
When the first rotary driving assembly 91 drives the first color bar mold 41 to rotate in a single direction, the second rotary driving assembly 92 drives the second color bar mold 42 to rotate in a single direction, and the rotating directions of the first color bar mold 41 and the second color bar mold 42 are opposite; the first color bar 84 and the second color bar 85 outside the sheath 83 of the manufactured color bar butterfly-shaped optical cable are connected to form an intermittent grid line.
Alternatively, when the first rotary driving unit 91 drives the first color stripe mold 41 to rotate reciprocally, and the second rotary driving unit 92 drives the second color stripe mold 42 to rotate reciprocally. The first color bar 84 and the second color bar 85 outside the sheath 83 of the manufactured color bar butterfly optical cable are broken wavy lines.
The main differences between this embodiment and embodiment 2 are also:
the first color stripe die 41 is connected with a first color stripe width change output mechanism 415, the first color stripe width change output mechanism 415 is located in the movement 2, the first color stripe width change output mechanism 415 comprises a first piston cylinder 416 and a first reciprocating drive part 417, the first piston cylinder 416 comprises a piston cavity, a piston and a piston rod, the piston cavity comprises a rod cavity and a rodless cavity, the piston rod of the first piston cylinder 416 is connected with a first reciprocating drive part 417, the rodless cavity of the first piston cylinder 416 is communicated with the first annular flow channel groove 412, and the first reciprocating drive part 417 can drive the piston rod of the first piston cylinder 416 to reciprocate as shown in fig. 10 and 11.
The second color bar die 42 is connected with a second color bar width change output mechanism 425, the second color bar width change output mechanism 425 is located in the movement 2, the second color bar width change output mechanism 425 comprises a second piston cylinder and a second reciprocating driving part, the second piston cylinder comprises a piston cavity, a piston and a piston rod, the piston cavity comprises a rod cavity and a rodless cavity, the piston rod of the second piston cylinder is connected with the second reciprocating driving part, the rodless cavity of the second piston cylinder is communicated with a second annular runner groove 422, and the second reciprocating driving part can drive the piston rod of the second piston cylinder to reciprocate.
The extrusion port 7 is connected to a cable thickness variation output mechanism 71, the cable thickness variation output mechanism 71 is located outside the extrusion port 7, and the configuration of the cable thickness variation output mechanism 71 is substantially the same as that of the first color stripe width variation output mechanism 415. The optical cable thickness change output mechanism 71 comprises an outer piston cylinder and a piston reciprocating driving part, the outer piston cylinder comprises a piston cavity, a piston and a piston rod, the piston rod of the outer piston cylinder is connected with the piston reciprocating driving part, a rodless cavity of the outer piston cylinder is communicated with an inner flow passage 72 of the extrusion opening 7, and the piston reciprocating driving part can drive the piston rod of the outer piston cylinder to reciprocate.
When the first piston cylinder 416 is connected to the first annular channel groove 412 and the first reciprocating drive member 417 drives the piston rod of the first piston cylinder 416 to reciprocate, the first piston cylinder 416 can increase or decrease the pressure in the first annular channel groove 412, so that the flow rate of the color stripe material ejected from the first color stripe injection channel 411 is changed alternately, and the width of the first color stripe 84 outside the sheath 83 of the manufactured color stripe butterfly optical cable is changed alternately, for example, the first color stripe 84 is substantially shaped like a sugar gourd. When the first color stripe 84 is an intermittent color stripe, the solid portions 86 of the first color stripe 84 are alternately arranged in width and width, as shown in fig. 12.
The second piston cylinder is connected with the second annular runner groove 422, and when the second reciprocating driving part drives the piston rod of the second piston cylinder to reciprocate, the second piston cylinder can increase or decrease the pressure in the second annular runner groove 422, so that the flow rate of the color bar raw material sprayed out of the second color bar injection runner 421 is changed alternately, the width of the second color bar 85 outside the sheath 83 of the manufactured color bar butterfly optical cable is changed alternately, for example, the second color bar 85 is in a shape of a sugarcoated haw. When the second color stripe 85 is an intermittent color stripe, the solid portions 86 of the second color stripe 85 are alternately arranged in width and width, as shown in fig. 12.
When the piston reciprocating drive part drives the piston rod of the outer piston cylinder to reciprocate, the outer piston cylinder can increase or reduce the pressure intensity in the inner runner 72, so that the flow velocity of the sheath raw material sprayed out from the injection port 13 of the machine head is changed alternately, and the width of the sheath 83 of the manufactured color bar butterfly optical cable is in a state of changing width alternately, for example, the sheath 83 is approximately shaped like a sugar-coated gourd.
Example 4
This embodiment is a modification of embodiment 2, and the main difference between this embodiment and embodiment 2 is that:
the color bar mold 4 further comprises a third color bar mold 43, the first color bar mold 41, the second color bar mold 42, the third color bar mold 43 and the inner mold 3 are arranged in a stacked manner along the axial direction of the inner mold 3, the third color bar mold 43 is of a circular ring-shaped structure, a third color bar injection runner 431 is arranged in the third color bar mold 43, a third annular runner groove 432 is arranged on the outer peripheral surface of the third color bar mold 43, the first annular runner groove 412, the second annular runner groove 422 and the third annular runner groove 432 are arranged at intervals along the axial direction of the color bar mold 4, the third color bar mold 43 is of a circular ring-shaped structure, a third color bar injection through hole 29 is arranged in the side wall of the movement 2, and a third color bar raw material inlet is further arranged in the side wall of the handpiece main body 1, the third color bar raw material inlet, the third color bar injection through hole 29, the third annular flow channel groove 432, and the third color bar injection flow channel 431 are sequentially communicated, as shown in fig. 13.
The first color bar injection flow passage 411, the second color bar injection flow passage 421 and the third color bar injection flow passage 431 all extend in the diameter direction of the color bar mold 4 and penetrate through the inner circumferential surface and the outer circumferential surface, the position of the third color bar raw material inlet corresponds to the position of the third color bar injection through hole 29, and a third color bar raw material supply device is connected outside the third color bar raw material inlet.
Because the first color bar mold 41, the second color bar mold 42, and the third color bar mold 43 are independent of each other, the first color bar mold 41 and the second color bar mold 42 are both circular ring structures, and the first color bar mold 41, the second color bar mold 42, and the third color bar mold 43 are all capable of rotating, i.e., the first color bar mold 41 is capable of rotating around the axis of the first color bar mold 41, the second color bar mold 42 is capable of rotating around the axis of the second color bar mold 42, and the third color bar mold 43 is capable of rotating around the axis of the third color bar mold 43.
The rotation driving mechanism 9 further includes a third rotation driving assembly 93, the third rotation driving assembly 93 can independently drive the third color stripe mold 43 to rotate, and the third rotation driving assembly 93 includes a micro motor and a gear which are sequentially connected. The outer peripheral surface of third ribbon mould 43 still is equipped with third meshing tooth 433, and third annular runner groove 432 and third meshing tooth 433 are arranged along the axial interval of third ribbon mould 43, and the internal surface of core 2 is equipped with the third mounting groove, third rotary driving subassembly 93 is located in the third mounting groove, the gear of third rotary driving subassembly 93 is connected with the meshing of third meshing tooth 433 of third ribbon mould 43.
The present embodiment is characterized in that three color bars can be manufactured on the color bar butterfly optical cable 8, the first color bar injection flow passage 411 extrudes the first color bar 84, the second color bar injection flow passage 421 extrudes the second color bar 85, the third color bar injection flow passage 431 extrudes the third color bar, and the colors and materials of the first color bar 84, the second color bar 85, and the third color bar may be the same or different.
The third rotary driving assembly 93 can drive the third color stripe mold 43 to rotate unidirectionally or reciprocally, when the first rotary driving assembly 91 drives the first color stripe mold 41 to rotate unidirectionally, the second rotary driving assembly 92 drives the second color stripe mold 42 to rotate unidirectionally, the third rotary driving assembly 93 drives the third color stripe mold 43 to rotate unidirectionally, and the rotation directions of the first color stripe mold 41 and the second color stripe mold 42 are opposite, the first color stripe 84, the second color stripe 85 and the third color stripe are connected to form grid lines; when the first rotary driving assembly 91 drives the first color bar mold 41 to rotate in a reciprocating manner, the second rotary driving assembly 92 drives the second color bar mold 42 to rotate in a reciprocating manner, and the third rotary driving assembly 93 drives the third color bar mold 43 to rotate in a reciprocating manner, the first color bar 84, the second color bar 85 and the third color bar are wavy lines.
The main differences between this embodiment and embodiment 2 are also:
the outlet end of the third color bar injection channel 431 is provided with a third switch 434, and when the color bar butterfly cable is manufactured, the third switch 434 is alternately turned on and off, so that the manufactured third color bar is an intermittent color bar (similar to a dotted line). The third switch 434 may be a conventional micro electromagnetic switch, and the third switch 434 may close or open the outlet end of the third color bar injection channel 431, as shown in fig. 13.
When the first rotary driving assembly 91 drives the first color bar mold 41 to rotate in a single direction, the second rotary driving assembly 92 drives the second color bar mold 42 to rotate in a single direction, and the rotating directions of the first color bar mold 41 and the second color bar mold 42 are opposite; the first color bar 84, the second color bar 85 and the third color bar outside the sheath 83 of the manufactured color bar butterfly-shaped optical cable are connected to form an intermittent grid line.
Alternatively, when the first rotary driving unit 91 drives the first color bar mold 41 to rotate reciprocally, the second rotary driving unit 92 drives the second color bar mold 42 to rotate reciprocally, and the third rotary driving unit 93 drives the third color bar mold 43 to rotate reciprocally. The first color bar 84, the second color bar 85 and the third color bar outside the sheath 83 of the manufactured color bar butterfly-shaped optical cable are all discontinuous wavy lines.
The main differences between this embodiment and embodiment 2 are also:
third colour bar mould 43 is connected with third colour bar width change output mechanism, third colour bar width change output mechanism is located core 2, third colour bar width change output mechanism contains third piston cylinder and the reciprocal drive unit of third, the third piston cylinder contains piston chamber, piston and piston rod, and the piston chamber is including pole chamber and no pole chamber, the piston rod of third piston cylinder with the reciprocal drive unit of third is connected, the no pole chamber and the third annular flow channel groove 432 intercommunication of third piston cylinder, the reciprocal drive unit of third can drive the piston rod reciprocating motion of third piston cylinder. The first color bar width change output mechanism 415, the second color bar width change output mechanism 425, and the third color bar width change output mechanism are substantially the same in configuration.
The third piston cylinder is connected with the third annular runner groove 432, and when the third reciprocating driving component drives the piston rod of the third piston cylinder to reciprocate, the third piston cylinder can increase or reduce the pressure intensity in the third annular runner groove, so that the width of the third color bar outside the sheath 83 of the manufactured color bar butterfly optical cable presents a state of different changes, for example, the third color bar is approximately in a shape of a sugarcoated haw. When the third color stripe is an intermittent color stripe, the solid portions 86 of the third color stripe are alternately arranged in width and width.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features and the technical schemes, and the technical schemes can be freely combined and used.

Claims (8)

1. The method for manufacturing the color bar butterfly optical cable is characterized in that an extruder for manufacturing the color bar butterfly optical cable is adopted, and the extruder for manufacturing the color bar butterfly optical cable comprises a machine head and an extrusion port (7) which are connected in sequence;
the machine head for manufacturing the color bar butterfly optical cable comprises a rotary driving mechanism (9), a machine core (2) and a machine head main body (1), wherein the machine core (2) and the machine head main body are sleeved with the rotary driving mechanism, and an inner mold (3) and a color bar mold (4) are sleeved in the machine core (2) in a matching manner; the color bar die (4) comprises a first color bar die (41) and a second color bar die (42) which are stacked along the axial direction of the movement (2), and the first color bar die (41) and the second color bar die (42) are both in circular structures;
a first color bar raw material inlet (15) and a second color bar raw material inlet (16) are arranged in the side wall of the machine head main body (1), and a first color bar injection through hole (21) and a second color bar injection through hole (22) are arranged in the side wall of the machine core (2); a first color bar injection runner (411) is arranged in the first color bar mould (41), and a first annular runner groove (412) is formed in the peripheral surface of the first color bar mould (41); a second color bar injection runner (421) is arranged in the second color bar mould (42), and a second annular runner groove (422) is arranged on the outer peripheral surface of the second color bar mould (42); the first color bar raw material inlet (15), the first color bar injection through hole (21), the first annular runner groove (412) and the first color bar injection runner (411) are communicated in sequence, and the second color bar raw material inlet (16), the second color bar injection through hole (22), the second annular runner groove (422) and the second color bar injection runner (421) are communicated in sequence;
the rotary driving mechanism (9) comprises a first rotary driving component (91) and a second rotary driving component (92), the first rotary driving component (91) can independently drive the first color bar die (41) to rotate, and the second rotary driving component (92) can independently drive the second color bar die (42) to rotate;
a first switch (414) is arranged at the outlet end of the first color bar injection flow passage (411), and a second switch (424) is arranged at the outlet end of the second color bar injection flow passage (421);
the first color bar mold (41) is connected with a first color bar width change output mechanism (415), the first color bar width change output mechanism (415) is located in the movement (2), the first color bar width change output mechanism (415) comprises a first piston cylinder (416) and a first reciprocating driving part (417), the first piston cylinder (416) comprises a piston cavity, a piston and a piston rod, the piston rod of the first piston cylinder (416) is connected with the first reciprocating driving part (417), a rodless cavity of the first piston cylinder (416) is communicated with the first annular runner groove (412), and the first reciprocating driving part (417) can drive the piston rod of the first piston cylinder (416) to reciprocate;
the second color bar die (42) is connected with a second color bar width change output mechanism (425), the second color bar width change output mechanism (425) is located in the machine core (2), the second color bar width change output mechanism (425) comprises a second piston cylinder and a second reciprocating driving part, the second piston cylinder comprises a piston cavity, a piston and a piston rod, the piston rod of the second piston cylinder is connected with the second reciprocating driving part, a rodless cavity of the second piston cylinder is communicated with a second annular runner groove (422), and the second reciprocating driving part can drive the piston rod of the second piston cylinder to reciprocate;
the extrusion port (7) is connected with an optical cable thickness change output mechanism (71), the optical cable thickness change output mechanism (71) is positioned outside the extrusion port (7), the optical cable thickness change output mechanism (71) comprises an outer piston cylinder and a piston reciprocating driving part, the outer piston cylinder comprises a piston cavity, a piston and a piston rod, the piston rod of the outer piston cylinder is connected with the piston reciprocating driving part, the rodless cavity of the outer piston cylinder is communicated with an inner flow channel (72) of the extrusion port (7), and the piston reciprocating driving part can drive the piston rod of the outer piston cylinder to reciprocate;
the method for manufacturing the color bar butterfly optical cable comprises the following steps:
the first switch (414) is alternatively opened and closed, and the second switch (424) is alternatively opened and closed;
a first reciprocating drive component (417) drives a piston rod of a first piston cylinder (416) to reciprocate, a second reciprocating drive component drives a piston rod of a second piston cylinder to reciprocate, and the piston reciprocating drive component drives a piston rod of the outer piston cylinder to reciprocate;
the first rotary driving component (91) drives the first color bar die (41) to rotate in a single direction, the second rotary driving component (92) drives the second color bar die (42) to rotate in a single direction, and the rotating directions of the first color bar die (41) and the second color bar die (42) are opposite;
or the first rotary driving component (91) drives the first color bar mould (41) to rotate in a reciprocating way, and the second rotary driving component (92) drives the second color bar mould (42) to rotate in a reciprocating way.
2. The method for manufacturing the color-stripe butterfly optical cable according to claim 1, wherein when the first rotary driving assembly (91) drives the first color-stripe mold (41) to rotate reciprocally and the second rotary driving assembly (92) drives the second color-stripe mold (42) to rotate reciprocally, an angle of reciprocal rotation of the first color-stripe mold (41) is less than or equal to 30 °, and an angle of reciprocal rotation of the second color-stripe mold (42) is less than or equal to 30 °.
3. The method for manufacturing the color-stripe butterfly optical cable according to claim 1, wherein the first color-stripe mold (41) is further provided with first engaging teeth (413) on an outer peripheral surface thereof, the first annular runner groove (412) and the first engaging teeth (413) are arranged at intervals along an axial direction of the first color-stripe mold (41), the inner surface of the movement (2) is provided with a first mounting groove (27), the first rotary driving component (91) is located in the first mounting groove (27), and the first rotary driving component (91) is engaged with the first engaging teeth (413) of the first color-stripe mold (41).
4. The method for manufacturing the color-bar butterfly cable according to claim 1, wherein the outer circumferential surface of the second color bar mold (42) is further provided with second engaging teeth (423), the second annular runner groove (422) and the second engaging teeth (423) are arranged at intervals along the axial direction of the second color bar mold (42), the inner surface of the movement (2) is provided with a second mounting groove (28), the second rotary driving component (92) is located in the second mounting groove (28), and the second rotary driving component (92) is engaged with the second engaging teeth (423) of the second color bar mold (42).
5. The method for manufacturing the color-stripe butterfly optical cable according to claim 1, wherein the color stripe mold (4) further comprises a third color stripe mold (43), the first color stripe mold (41), the second color stripe mold (42) and the third color stripe mold (43) are arranged in a stacked manner along the axial direction of the movement (2), the third color stripe mold (43) is of a circular ring-shaped structure, a third color stripe injection runner (431) is arranged in the third color stripe mold (43), a third annular runner groove (432) is arranged on the outer circumferential surface of the third color stripe mold (43), a third color stripe injection through hole (29) is arranged in the side wall of the movement (2), a third color stripe raw material inlet is further arranged in the side wall of the head main body (1), the third color bar raw material inlet, the third color bar injection through hole (29), the third annular runner groove (432) and the third color bar injection runner (431) are communicated in sequence;
the rotary driving mechanism (9) also comprises a third rotary driving component (93), and the third rotary driving component (93) can independently drive the third color bar die (43) to rotate;
the outlet end of the third color bar injection channel (431) is provided with a third switch (434).
6. The method for manufacturing the color bar butterfly optical cable according to claim 5, wherein the outer peripheral surface of the third color bar mold (43) is further provided with third engaging teeth (433), the third annular runner groove (432) and the third engaging teeth (433) are arranged at intervals along the axial direction of the third color bar mold (43), the inner surface of the movement (2) is provided with a third mounting groove, the third rotary driving component (93) is located in the third mounting groove, and the third rotary driving component (93) is engaged with the third engaging teeth (433) of the third color bar mold (43).
7. The method for manufacturing the color-stripe butterfly optical cable according to claim 5, wherein a third color-stripe width variation output mechanism is connected to a third color-stripe mold (43), the third color-stripe width variation output mechanism is positioned in the movement (2), the third color-stripe width variation output mechanism comprises a third piston cylinder and a third reciprocating drive part, the third piston cylinder comprises a piston cavity, a piston and a piston rod, the piston rod of the third piston cylinder is connected with the third reciprocating drive part, the rod-free cavity of the third piston cylinder is communicated with a third annular runner groove (432), and the third reciprocating drive part can drive the piston rod of the third piston cylinder to reciprocate.
8. A color-stripe butterfly optical cable, characterized in that, the color-stripe butterfly optical cable is made by the method for manufacturing the color-stripe butterfly optical cable as claimed in claim 1, the color-stripe butterfly optical cable comprises an optical fiber (81) and a sheath (83), and a first color stripe (84) and a second color stripe (85) are arranged outside the sheath (83);
the first color bar (84) and the second color bar (85) are discontinuous color bars, each discontinuous color bar comprises solid parts (86) and vacant parts (87) which are alternately arranged, and the width of each solid part (86) is alternately arranged;
the width of the sheath (83) is alternately arranged;
the first color bar (84) and the second color bar (85) are connected to form a grid line;
or the first color bar (84) and the second color bar (85) are both wavy lines.
CN202210785503.9A 2022-07-06 2022-07-06 Method for manufacturing color bar butterfly optical cable and color bar butterfly optical cable Active CN114851514B (en)

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